.a-back-img{
  background-size:100% 100%; 
  background-repeat:no-repeat;
}
.a-qrcode{
  background: url("../assets/qrcode.png");
}
.a-send-img{
  background-size:100% 100%; 
  background-repeat:no-repeat;
  width: 470px;
  height: 800px;
  background: url("../assets/img/send/send.png");
}
.a-index-servicer{
  background: url("../assets/img/index/servicer.png");
}
.a-index-client-1{
  background-image: url("../assets/img/index/client1.png");
}
.a-index-client-2{
  background-image: url("../assets/img/index/client2.png");
}
.a-index-client-3{
  background-image: url("../assets/img/index/client3.png");
}
.a-index-group-1{
  background-image: url("../assets/img/index/group1.png");
}
.a-index-group-2{
  background-image: url("../assets/img/index/group2.png");
}
.a-index-group-3{
  background-image: url("../assets/img/index/group3.png");
}
.a-index-fun-1{
  background-image: url("../assets/img/index/fun01.png");
}
.a-index-fun-2{
  background-image: url("../assets/img/index/fun02.png");
}
.a-index-fun-3{
  background-image: url("../assets/img/index/fun03.png");
}
.a-index-fun-4{
  background-image: url("../assets/img/index/fun04.png");
}
.a-index-fun-5{
  background-image: url("../assets/img/index/fun05.png");
}